Why My iPad Won’t Charge Past 40%? – Causes & Fixes

The iPad is a versatile and highly regarded tablet device developed by Apple, known for its sleek design, powerful performance, and a wide range of applications and features. However, one frustrating issue that some iPad users may encounter is the device’s inability to charge past 40%. This problem can be particularly vexing as it limits the device’s functionality and can disrupt daily tasks and activities. We will explore the potential causes and solutions for an iPad that won’t charge beyond the 40% mark, helping users troubleshoot and resolve this common issue. Whether it’s a hardware or software problem, understanding the underlying factors can be the first step towards finding a resolution and restoring your iPad to its full charging capacity.

In this article, we delve into a recurring challenge faced by iPad users—the issue of an iPad failing to charge beyond 40%. This frustrating problem has become increasingly common in recent times, causing inconvenience to users. Our goal is to provide comprehensive solutions to help you restore your iPad’s charging functionality to its previous state. By following the step-by-step solutions outlined in this article, you can address the iPad Won’t Charge Past 40% issue effectively. The Apple iPad stands as one of the most sought-after tablets in the market, celebrated for its elegant design, robust performance, and an expansive array of features, making it a top choice among consumers.

Why is My iPad Won’t Charge Past 40%?

Several factors can contribute to the iPad’s inability to charge beyond 40% or 80%. Among the most prevalent causes are defective batteries, overheating, outdated iPadOS software, malfunctioning charging cables, or faulty power adapters.

While it is possible for less common issues such as faulty motherboards and technical glitches to exist, addressing these problems typically requires professional intervention, and they are not conducive to DIY solutions.

1- Faulty Battery

One of the prevalent causes behind an iPad’s failure to charge fully is a defective battery. Over time, as the battery ages, it loses its ability to hold a charge effectively, resulting in an iPad that struggles to charge beyond 40%.

Apple has thoughtfully included a built-in feature for users to assess their iPad’s battery health. You can easily check your iPad’s battery health by following these straightforward steps:

  1. Navigate to the Apps menu and select Settings.
  2. Scroll down and locate the Battery option.
  3. Tap on Battery Health and verify that it registers above the 70% threshold.

If your battery health falls below 70%, it may be an indication that you require a battery replacement.

2- Overheating

Excessive heat is another prevalent factor contributing to the limited charging capacity of your iPad, often preventing it from reaching beyond 40% or 80% charge levels.

This issue typically arises from extended periods of heavy usage or leaving the iPad exposed to direct sunlight for extended durations. Fortunately, Apple has implemented a solution in the form of the Optimized Battery Charging feature, available in iOS 13 and later versions, as well as macOS Big Sur and subsequent releases.

Optimized Battery Charging, enabled by default, employs your charging patterns to halt charging at the 80% mark, effectively extending the overall lifespan of the battery. To address this concern, it is advisable to ensure that your iPad is placed in a cool and well-ventilated environment during the charging process.

If, however, the issue persists despite these precautions, seeking assistance from an authorized service center is recommended for a thorough evaluation and potential resolution.

3- Outdated Software

In uncommon instances, the presence of outdated software can trigger charging issues on the iPad. This can occur due to potential bugs within the iPadOS, leading to charging problems or even overheating concerns.

To address this, a straightforward solution involves updating the iPadOS to its most recent version and then attempting the charging process once more.

Should this step fail to resolve the issue, it is advisable to seek assistance from an authorized service center, as there may be underlying concerns that require professional evaluation and intervention.

4- Defective Charging Cable

Another potential culprit for incomplete charging of your iPad is a faulty charging cable, often caused by damage or bending. This can lead to interruptions in the charging process, preventing your iPad from reaching a full charge.

To remedy this situation, consider experimenting with an alternative charging cable. You can readily acquire a replacement cable from reputable sources such as the Apple Authorized Store or popular online platforms like Amazon, ensuring that it bears the “[Apple MFi Certified]” designation for compatibility and quality assurance. For your convenience, you can click on the provided link to purchase an Apple MFi Certified Charger USB.

5- Faulty Motherboard

In exceptional circumstances, a malfunctioning iPad motherboard can be the root cause behind improper battery charging. Unfortunately, this is a hardware issue that cannot be resolved through software adjustments or minor repairs.

If you find yourself encountering this problem, the most suitable course of action is to promptly seek professional assistance from an authorized service center. Replacement of the motherboard may be necessary to rectify the issue and restore your iPad to proper charging functionality.

Why is my iPad battery not fully charging?

Apple introduced the Optimized Battery Charging feature in iOS 13 and subsequent versions. This feature analyzes your charging habits and intelligently halts the charging process at 80%, effectively prolonging the lifespan of your iPad’s battery.

Furthermore, issues such as buggy software, malfunctioning charging cables, and a declining battery can also hinder the complete charging of your iPad.

How do I fully charge my iPad?

If you’re planning to travel and need to ensure your iPad is fully charged for the journey, you have the option to temporarily disable Optimized Battery Charging from the settings. This allows you to bypass the charging limitation and ensure your device reaches a full charge before hitting the road.

Can you leave the iPad plugged in 24×7?

Leaving your iPad plugged in overnight is generally safe due to the intelligence of Apple’s Bionic chip, which automatically cuts off the power supply once the battery reaches full charge.

However, it is advisable to avoid leaving your iPad plugged in continuously for 24 hours a day. Prolonged periods of continuous charging can potentially expose your iPad charger to sudden voltage fluctuations, which may lead to damage over time.


These are among the most frequently encountered reasons why your iPad may not achieve a full charge. While you have the option to disable Optimized Battery Charging from the settings to bypass charging limitations, it is generally advisable to keep this feature enabled to ensure a longer lifespan for your iPad’s battery.

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